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Merck
CN

54793

2-（4-羟基苯偶氮）苯甲酸

suitable for matrix substance for MALDI-MS, ≥99.5%

别名:

2-(4′-羟基苯偶氮)苯甲酸, 4′-羟基偶氮苯-2-羧酸, HABA, HBABA

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关于此项目

线性分子式:
HOC6H4N=NC6H4CO2H
化学文摘社编号:
1634-82-8
分子量:
242.23
EC Number:
216-655-2
UNSPSC Code:
12352200
PubChem Substance ID:
329758061
Beilstein/REAXYS Number:
1842696
MDL number:
MFCD00002428

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产品名称

2-（4-羟基苯偶氮）苯甲酸, suitable for matrix substance for MALDI-MS, ≥99.5%

InChI key

DWQOTEPNRWVUDA-CCEZHUSRSA-N

InChI

1S/C13H10N2O3/c16-10-7-5-9(6-8-10)14-15-12-4-2-1-3-11(12)13(17)18/h1-8,16H,(H,17,18)/b15-14+

SMILES string

Oc1ccc(cc1)\N=N\c2ccccc2C(O)=O

assay

≥99.5% (HPLC)
≥99.5%

analyte functional class(es)

polymers

analyte chemical class(es)

glycans, peptides, proteins

technique(s)

MALDI-MS: suitable

mp

204-208 °C (lit.)
204-208 °C

solubility

ethanol: 20 mg/mL, clear

cation traces

Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤50 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤100 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

absorption

≥2000 at 337 nm (mol. absorption)

suitability

suitable for matrix substance for MALDI-MS

Quality Level

100

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General description

2-（4-羟基苯偶氮）苯甲酸 (HABA)，可用于蛋白质、多肽和糖蛋白的解吸，从而使其非常有利于基质辅助激光解吸电离质谱法。

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCBV7548

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K J Welham et al.
Rapid communications in mass spectrometry : RCM, 12(4), 176-180 (1998-03-11)
A variety of gram-positive and gram-negative intact bacterial cells have been analysed by matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) and shown to provide fingerprint mass spectra with discrete peaks being observed over the mass range from 3 to 40 kDa.
Matrix-assisted laser desorption ionization mass spectrometry with 2-(4-hydroxyphenylazo) benzoic acid matrix.
Juhasz, Peter, Catherine E. Costello, and Klaus Biemann.
Journal of the American Society For Mass Spectrometry, 4 (5), 399-409 (1993)
M A Domin et al.
Rapid communications in mass spectrometry : RCM, 13(4), 222-226 (1999-03-31)
The ability to rapidly identify the taxonomic class of the wide variety of microorganisms involved in human and animal disease is becoming increasingly important, especially with the increasing development of resistance to the antibiotics which form the main defence against
Juha A E Määttä et al.
Chembiochem : a European journal of chemical biology, 9(7), 1124-1135 (2008-04-03)
Chicken avidin is a key component used in a wide variety of biotechnological applications. Here we present a circularly permuted avidin (cpAvd4-->3) that lacks the loop between beta-strands 3 and 4. Importantly, the deletion of the loop has a positive
Kai Qi et al.
Journal of the American Chemical Society, 126(21), 6599-6607 (2004-05-27)
Shell cross-linked nanoparticles (SCKs) presenting surface- and bioavailable biotin functional groups were synthesized via a mixed micelle methodology, whereby co-micellization of chain terminal biotinylated poly(acrylic acid)-b-poly(methyl acrylate) (PAA-b-PMA) and nonbiotinylated PAA-b-PMA were cross-linked in an intramicellar fashion within the shell
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